#include<stdio.h>
int main()
{
    int i,j,k,l,m,n;
    printf("Input two FENSHU:\n");
    scanf("%d/%d,%d%d",&i,&j,&k,&l);
    m=zxgb(j,l)/j*i;
    n=zxgb(j,l)/1*k;
    if(m>n)     printf("%d%d>%d%d\n",i,j,k,l);
    else if (m==n)printf("%d%d=%d%d\n",i,j,k,l);
    else    printf("%d%d<%d%d\n",i,j,k,l);
}

zxgb(a,b)
    int a,b;
    {
        long int c;
        int d;
        if(a<b)c=a,a=b,b=c;
        for(c=a*b;b!=0;)
        {
            d=b;    b=a%b;  a=d;
        }
        return((int)c/a);
    }

    //吴昌源